// ============================================================================
//
// Copyright (C) 2006-2007 Dengues
//
// Google Group: http://groups.google.com/group/dengues
//
// QQ Group: 24885404
//
// This library is free software; you can redistribute it and/or
// modify it under the terms of the GNU Lesser General Public
// License as published by the Free Software Foundation; either
// version 2.1 of the License, or (at your option) any later version.
//
// This library is distributed in the hope that it will be useful,
// but WITHOUT ANY WARRANTY; without even the implied warranty of
// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
// Lesser General Public License for more details.
//
// You should have received a copy of the GNU General Public License
// along with this program; if not, write to the Free Software
// Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
//
// ============================================================================
package org.dengues.core.prefs.connectivity.ui;

import org.eclipse.jface.viewers.CellEditor;
import org.eclipse.jface.viewers.LabelProvider;
import org.eclipse.jface.viewers.TextCellEditor;
import org.eclipse.swt.SWT;
import org.eclipse.swt.widgets.Composite;
import org.eclipse.ui.views.properties.TextPropertyDescriptor;

/**
 * Qiang.Zhang.Adolf@gmail.com class global comment. Detailled comment <br/>
 * 
 * $Id: Dengues.epf 1 2006-09-29 17:06:40Z qiang.zhang $
 * 
 */
public class PasswordPropertyDescriptor extends TextPropertyDescriptor {

    /**
     * Qiang.Zhang.Adolf@gmail.com PasswordPropertyDescriptor constructor comment.
     * 
     * @param id
     * @param displayName
     */
    public PasswordPropertyDescriptor(Object id, String displayName) {
        super(id, displayName);
        setLabelProvider(new PasswordLabelProvider());
    }

    @Override
    public CellEditor createPropertyEditor(Composite parent) {
        CellEditor editor = new TextCellEditor(parent, SWT.PASSWORD);
        if (getValidator() != null) {
            editor.setValidator(getValidator());
        }
        return editor;
    }

    class PasswordLabelProvider extends LabelProvider {

        @Override
        public String getText(Object element) {
            if (element instanceof String) {
                String value = (String) element;
                if (value != null) {
                    String mask = ""; //$NON-NLS-1$
                    for (int i = 0; i < value.length(); i++) {
                        mask = mask + "*"; //$NON-NLS-1$
                    }
                    return mask;
                }
            }
            return null;
        }

    }
}
